openwrt/target/linux/bcm27xx/patches-5.10/950-0402-overlays-mpu6050-Add-addr-parameter.patch
Álvaro Fernández Rojas 8299d1f057 bcm27xx: add kernel 5.10 support
Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted
patches, wireless patches and defconfig patches.

bcm2708: boot tested on RPi B+ v1.2
bcm2709: boot tested on RPi 4B v1.1 4G
bcm2711: boot tested on RPi 4B v1.1 4G

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2021-08-21 19:07:07 +02:00

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1.3 KiB
Diff

From 3e0ea72cab201faea51f8cdb490562151a3f01fd Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.com>
Date: Tue, 15 Dec 2020 17:02:17 +0000
Subject: [PATCH] overlays: mpu6050: Add 'addr' parameter
The mpu6050 starts up at address 0x68 by default, but can be set to
0x69 if the ADO pin is pulled high. Give the overlay an addr parameter
to allow devices at the alternate address to be used.
See: https://github.com/Hexxeh/rpi-firmware/issues/252
Signed-off-by: Phil Elwell <phil@raspberrypi.com>
---
arch/arm/boot/dts/overlays/README | 1 +
arch/arm/boot/dts/overlays/mpu6050-overlay.dts | 1 +
2 files changed, 2 insertions(+)
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -1920,6 +1920,7 @@ Name: mpu6050
Info: Overlay for i2c connected mpu6050 imu
Load: dtoverlay=mpu6050,<param>=<val>
Params: interrupt GPIO pin for interrupt (default 4)
+ addr I2C address of the device (default 0x68)
Name: mz61581
--- a/arch/arm/boot/dts/overlays/mpu6050-overlay.dts
+++ b/arch/arm/boot/dts/overlays/mpu6050-overlay.dts
@@ -24,5 +24,6 @@
__overrides__ {
interrupt = <&mpu6050>,"interrupts:0";
+ addr = <&mpu6050>,"reg:0";
};
};